Turntable speed accuracy

Ahhh the vagaries of the Audiophile mentality?
Rather than question the accuracy of their calculators ( because they can't go to infinity 33.333333333333333333333....) or the accuracy of a Strobe which needs to flash at constant and repeatable frequency whilst aimed at a disc with lines printed by machines to an order of indeterminate accuracy......or question the actual speed of their turntables with sometimes primitive electro/mechanical interfaces......the majority seem to question the accuracy of a scientific instrument whose accuracy can be definitively proven?
And those appearing to do this are invariably those who do not have the Timeline nor have used it on their turntables?

There appears to be an element of fear and trepidation about these 'doubters' with 'denial' being the protection of choice?

I am going to borrow the Timeline tomorrow.

But not all my turntables are in service, so it will take a while to arrive at a full report.

Dev - the Final Audio platter material is aluminium with very heavy copper mat. The thread runs on the aluminium part. I would have thought the copper is harder than aluminium and should be safe but not absolutely sure.

Syntax: "Tweaking a dead cow to a horse is interesting, no doubt, but other Designers made better work."

That reminds me of an old Chinese saying, "ride a cow before you find a horse." For some people their turntable of choice is the cow... for the time being. :-) Or they think they're riding a horse? Or they are just "cowhide lanterns." :-D

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Lewm ~ you don't happen to own a TTWeights table? I've now checked 2 TTWeights tables and both show inaccuracies via the Timeline, would like to have confirmed a third and then can surely say its a design fault!
Looking forward to your findings.